add yaml library, example

kubo_file.c

@@ -0,0 +1,26 @@
+#include "kubo_file.h"
+
+void kubo_file_parse(char *file_name) {
+    static const cyaml_config_t config = {
+        .log_fn = cyaml_log,
+        .mem_fn = cyaml_mem,
+        .log_level = CYAML_LOG_WARNING,
+    };
+
+    struct numbers *n;
+
+    cyaml_err_t err = cyaml_load_file(file_name, &config, &top_schema, (cyaml_data_t **)&n, NULL);
+    if (err != CYAML_OK) {
+        printf("cyaml err\n");
+    }
+
+    printf("%s:\n", n->name);
+    for (unsigned i = 0; i < n->data_count; i++) {
+        printf("  - %i\n", n->data[i]);
+    }
+
+    err = cyaml_free(&config, &top_schema, n, 0);
+    if (err != CYAML_OK) {
+        printf("cyaml free err\n");
+    }
+}